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Finding the Fourth Proportional to 375,953.18, 564,077.45 and 165,443.49

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Solution

The fourth proportional to 375,953.18, 564,077.45 and 165,443.49 is: 248,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,953.18 : 564,077.45 = 165,443.49 : x
  2. Step 2: Convert to fraction form
    375,953.18/564,077.45 = 165,443.49/x
  3. Step 3: Cross multiply
    375,953.18x = 564,077.45 × 165,443.49
  4. Step 4: Simplify right side
    375,953.18x = 93,322,942,371.91
  5. Step 5: Solve for x
    x = 93,322,942,371.91/375,953.18
  6. Step 6: Final answer
    x = 248,230.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.